1 files changed, 3 insertions, 3 deletions
diff --git a/src/core.rs b/src/core.rs
index a05d75e..64f65fb 100644
--- a/src/core.rs
+++ b/src/core.rs
@@ -55,7 +55,7 @@ impl fmt::Display for Operand {
             f,
             "{}",
             match self {
-                Operand::Acc => format!("A"),
+                Operand::Acc => "A".to_string(),
                 Operand::Direct(dir) => format!("{:x}h", dir),
                 Operand::Indirect(r) => format!("@{:?}", r),
                 Operand::Data(data) => format!("#{}", data),
@@ -153,7 +153,7 @@ impl Core {
     fn fetch(&mut self) -> Op {
         let op = self.op();
         self.pc += op.size as u16;
-        return op;
+        op
     }
 
     ///
@@ -180,7 +180,7 @@ impl Core {
     }
 
     fn sjmp(&mut self, reladdr: i8) {
-        self.pc = (self.pc as i16 + reladdr as i16) as u16;
+        self.pc = (self.pc as i16 + i16::from(reladdr)) as u16;
     }
 
     fn map_operand(&self, operand: Isa8051Operand, offset: usize) -> Operand {